Vladimir Buzalka
122 lines
3.4 KiB
Python
122 lines
3.4 KiB
Python
"""
|
||
Vykreslí Sudoku puzzle do PDF z dat v MySQL tabulce puzzles.
|
||
"""
|
||
|
||
import json
|
||
import os
|
||
import sys
|
||
from pathlib import Path
|
||
|
||
sys.stdout.reconfigure(encoding="utf-8")
|
||
sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny"))
|
||
|
||
from reportlab.lib import colors
|
||
from reportlab.lib.pagesizes import A4
|
||
from reportlab.lib.units import cm
|
||
from reportlab.pdfbase import pdfmetrics
|
||
from reportlab.pdfbase.ttfonts import TTFont
|
||
from reportlab.pdfgen.canvas import Canvas
|
||
|
||
from mysql_db import connect_mysql
|
||
|
||
_fonts_dir = os.path.join(os.environ.get("WINDIR", r"C:\Windows"), "Fonts")
|
||
pdfmetrics.registerFont(TTFont("Arial", os.path.join(_fonts_dir, "arial.ttf")))
|
||
pdfmetrics.registerFont(TTFont("ArialBold", os.path.join(_fonts_dir, "arialbd.ttf")))
|
||
|
||
OUTPUT = Path(__file__).parent / "test_sudoku.pdf"
|
||
|
||
|
||
def draw_sudoku(c: Canvas, x0: float, y0: float, cell: float,
|
||
board: str, title: str = "", show_solution: bool = False,
|
||
solution: str = ""):
|
||
num_font = max(cell * 0.5, 7)
|
||
given_font = max(cell * 0.5, 7)
|
||
thin = 0.5
|
||
thick = 2.2
|
||
|
||
if title:
|
||
c.setFont("ArialBold", 12)
|
||
c.drawString(x0, y0 + 5, title)
|
||
|
||
# Bílé pozadí
|
||
c.setFillColor(colors.white)
|
||
c.rect(x0, y0 - 9 * cell, 9 * cell, 9 * cell, fill=1, stroke=0)
|
||
|
||
# Číslice
|
||
for i in range(81):
|
||
row = i // 9
|
||
col = i % 9
|
||
cx = x0 + col * cell + cell / 2
|
||
cy = y0 - (row + 1) * cell + cell * 0.3
|
||
ch = board[i]
|
||
|
||
if ch != ".":
|
||
c.setFillColor(colors.black)
|
||
c.setFont("ArialBold", given_font)
|
||
c.drawCentredString(cx, cy, ch)
|
||
elif show_solution and solution:
|
||
c.setFillColor(colors.Color(0.4, 0.4, 0.4))
|
||
c.setFont("Arial", num_font)
|
||
c.drawCentredString(cx, cy, solution[i])
|
||
|
||
# Tenké čáry
|
||
c.setStrokeColor(colors.Color(0.6, 0.6, 0.6))
|
||
c.setLineWidth(thin)
|
||
for i in range(1, 9):
|
||
if i % 3 == 0:
|
||
continue
|
||
c.line(x0, y0 - i * cell, x0 + 9 * cell, y0 - i * cell)
|
||
c.line(x0 + i * cell, y0, x0 + i * cell, y0 - 9 * cell)
|
||
|
||
# Tlusté čáry (3×3 bloky + vnější okraj)
|
||
c.setStrokeColor(colors.black)
|
||
c.setLineWidth(thick)
|
||
for i in range(0, 10, 3):
|
||
c.line(x0, y0 - i * cell, x0 + 9 * cell, y0 - i * cell)
|
||
c.line(x0 + i * cell, y0, x0 + i * cell, y0 - 9 * cell)
|
||
|
||
|
||
def main():
|
||
conn = connect_mysql(database="puzzle")
|
||
cur = conn.cursor()
|
||
cur.execute(
|
||
"SELECT difficulty, puzzle, solution FROM puzzles "
|
||
"WHERE game_type='sudoku' AND puzzle_date='2026-05-08' "
|
||
"ORDER BY FIELD(difficulty, 'easy', 'medium', 'hard', 'expert') "
|
||
"LIMIT 1"
|
||
)
|
||
row = cur.fetchone()
|
||
cur.close()
|
||
conn.close()
|
||
|
||
if not row:
|
||
print("Žádná data.")
|
||
return
|
||
|
||
difficulty, board, solution = row
|
||
|
||
page_w, page_h = A4
|
||
board_cm = 11
|
||
cell = board_cm * cm / 9
|
||
board_px = 9 * cell
|
||
|
||
c = Canvas(str(OUTPUT), pagesize=A4)
|
||
|
||
# Zadání
|
||
x0 = (page_w - board_px) / 2
|
||
y0 = page_h - 2 * cm
|
||
draw_sudoku(c, x0, y0, cell, board,
|
||
f"Sudoku {difficulty.capitalize()} — 2026-05-08")
|
||
|
||
# Řešení
|
||
y0_sol = y0 - board_px - 3 * cm
|
||
draw_sudoku(c, x0, y0_sol, cell, board,
|
||
"Řešení", show_solution=True, solution=solution)
|
||
|
||
c.save()
|
||
print(f"PDF uloženo: {OUTPUT}")
|
||
|
||
|
||
if __name__ == "__main__":
|
||
main()
|